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The toco toucan (Ramphastos toco) is a species of bird in the toucan family Ramphastidae. It is the largest species of toucan and has a distinctive appearance, with a black body, a white throat, chest and uppertail-coverts, and red undertail-coverts. Its most conspicuous feature is its massive beak, which is yellow-orange with a black base and ...
The toucan beak has a network of superficial blood vessels that support the rhamphotheca, the horny sheath of the bill. [7] The toucan is able to dilate or enlarge the beak's blood vessels when temperatures rise above a thermal neutral zone to allow for blood to pass readily into the beak, allowing for heat exchange and cooling.
Range maps are provided wherever possible; if a range map is not available, a description of the toucan’s range is provided. Ranges are based on the IOC World Bird List for that species unless otherwise noted. Population estimates are of the number of mature individuals and are taken from the IUCN Red List.
The Registry of World Record Size Shells is a conchological work listing the largest (and in some cases smallest) verified shell specimens of various marine molluscan taxa.A successor to the earlier World Size Records of Robert J. L. Wagner and R. Tucker Abbott, it has been published on a semi-regular basis since 1997, changing ownership and publisher a number of times.
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The largest specimen ever recorded was ... The toco toucan is the largest species in the order ... of the sub-Antarctic oceans, which has the largest wingspan ...
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